Replies from ta
Recovery(to flash, use app “flashify”): http://mirror.lucky.li/android/oppo/x909/recovery/custom/openrecovery-twrp-2.6.3.0-find5-TP-patch.img
ROM: http://dl.omnirom.org/find5/omni-4.4-20131118-find5-NIGHTLY.zip
Gapp: http://www.androidfilehost.com/?fid=23212708301
Modem: https://www.dropbox.com/sh/m2rt58xjjrlg2p2/aNX1yTbgRm/modem-4.1.zip
Root: https://www.dropbox.com/s/f3gjgd5hv09qgh6/UPDATE-SuperSU-v1.69.zip
ต้องลง TWRP 2.6.3 เป็น recovery แล้วค่อยแฟรชรอม>gapp>4.1 modem>reboot
It is now stable, at least stable enough to use without getting too annoyed.